Method And/Or System for Estimating Phase Error Noise

1. A method of reducing phase error noise for a receiver employing an MIMO-OFDM scheme comprising: obtaining a minimum mean-square error (MMSE) estimate of common phase error; and adjusting a received signal for a common phase error component of phase noise based on the MMSE estimate of common phase error.

2. The method of claim 1 , wherein said adjusting a received signal comprises adjusting decoding of said received signal.

3. The method of claim 1 , wherein said MIMO-OFDM scheme employs space-time coding.

4. The method of claim 1 , wherein said adjusting a received signal comprises performing frequency-domain correction for the common phase error component of phase noise.

5. An apparatus comprising: a receiver employing an MIMO-OFDM scheme; said receiver adapted to form a minimum mean-square error (MMSE) estimate of common phase error and further adapted to adjust a received signal for a common phase error component of phase noise based on said MMSE estimate of common phase error.

6. The apparatus of claim 5 , wherein said receiver is further adapted to adjust decoding of the received signal.

7. The apparatus of claim 5 , wherein said receiver is adapted to receive a signal that employs space-time coding.

8. The apparatus of claim 5 , wherein said receiver is substantially compliant with aspects of IEEE 802.11.

9. The apparatus of claim 5 , wherein said receiver is incorporated in at least one of the following: a cell phone; a personal digital assistant; a laptop computer; a media player device.

10. The apparatus of claim 5 , wherein said receiver is adapted to adjust the received signal by performing frequency-domain correction for the common phase error component of phase noise.

11. An apparatus comprising: a computing device; said computing device adapted to form a minimum mean-square error (MMSE) estimate of common phase error for an MIMO-OFDM communication scheme, wherein said computing device is further adapted to process received signals so as to adjust for a common phase error component of phase error noise based on said MMSE estimate of common phase error.

12. The apparatus of claim 11 , wherein said computing device is further adapted to adjust decoding of received signals.

13. The apparatus of claim 11 , wherein said computing device is adapted to operate on signals that employ space-time coding.

14. The apparatus of claim 11 , wherein said computing device is substantially compliant with aspects of IEEE 802.11.

15. The apparatus of claim 11 , wherein said computing device is incorporated in at least one of the following: a cell phone; a personal digital assistant; a laptop computer; a media player device.

16. The apparatus of claim 11 , wherein said computing device is further adapted to adjust the received signal by performing frequency-domain correction for the common phase error component of phase noise.

17. An apparatus including a computer-readable storage medium having stored thereon instructions that, upon execution by a computing device associated with the apparatus, cause the apparatus to perform actions comprising: obtaining a minimum mean-square error (MMSE) estimate of common phase error associated with a received multiple-input multiple-output orthogonal frequency-division multiplex (MIMO-OFDM) signal; and adjusting the received signal for a common phase error component of phase noise based on the MMSE estimate of common phase error.

18. The apparatus of claim 17 , wherein said MIMO-OFDM scheme employs space-time coding.

19. The apparatus of claim 17 , wherein said adjusting a received signal comprises performing frequency-domain correction for the common phase error component of phase noise.